P22DC

Cylinder 1 Alternative Fuel Injector Control Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Unstable operation of the engine using alternative fuel
Floating idle speed
Switching to petrol operating mode
Increased fuel consumption
Reduced engine power

Causes

Alternate fuel injector malfunction
Open or short circuit in control circuit
Poor contact in the injector connectors
Problems with the engine control unit
Mechanical damage to wires

How to Fix

Check resistance of alternative fuel injector
Inspect the control circuit for opens and shorts
Check the contacts in the injector and ECU connectors
Test the control signal from the ECU
Replace the faulty injector if necessary

Related codes

P22DD P22DE P22DF